| Horst Rittner | |
|---|---|
| Full name | Horst Robert Rittner |
| Country | Germany |
| Born | July 16, 1930 Germany |
Horst Robert Rittner (born July 16, 1930 in Breslau, that then was in Germany but today is in Poland and is called Wrocław) is a German chess player, most famous for being the sixth ICCF World Champion in correspondence chess between 1968 and 1971.
| Preceded by Hans Berliner |
World Correspondence Chess Champion 1968–1971 |
Succeeded by Yakov Estrin |